21450352

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 54139392

約数和(自身を除く): 32689040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 757, 1012, 1232, 1288, 1514, 1771, 2024, 2576, 3028, 3542, 4048, 5299, 6056, 7084, 8327, 10598, 12112, 14168, 16654, 17411, 21196, 28336, 33308, 34822, 42392, 58289, 66616, 69644, 84784, 116578, 121877, 133232, 139288, 191521, 233156, 243754, 278576, 383042, 466312, 487508, 766084, 932624, 975016, 1340647, 1532168, 1950032, 2681294, 3064336, 5362588, 10725176, 21450352]

約数ペア:

[(1, 21450352), (2, 10725176), (4, 5362588), (7, 3064336), (8, 2681294), (11, 1950032), (14, 1532168), (16, 1340647), (22, 975016), (23, 932624), (28, 766084), (44, 487508), (46, 466312), (56, 383042), (77, 278576), (88, 243754), (92, 233156), (112, 191521), (154, 139288), (161, 133232), (176, 121877), (184, 116578), (253, 84784), (308, 69644), (322, 66616), (368, 58289), (506, 42392), (616, 34822), (644, 33308), (757, 28336), (1012, 21196), (1232, 17411), (1288, 16654), (1514, 14168), (1771, 12112), (2024, 10598), (2576, 8327), (3028, 7084), (3542, 6056), (4048, 5299)]